[Bug 192950] [iwn] Centrino Advanced-N 6205 slow on 11n, better on 11g

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=192950

--- Comment #8 from Hiren Panchasara <hiren at FreeBSD.org> ---
(In reply to Adrian Chadd from comment #5)
> Hiren - oh you went iperf from STA -> AP -> STA? That's going to suck for
> lots of reasons.
> 
> You should get more than 3mbit/sec iperfing STA->AP->ethernet.
> 
> Do this:
> 
> * add IWN_DEBUG and IEEE80211_DEBUG to kernel, recompile
> * sysctl dev.iwn.0.debug=1
> * wlandebug +rate
> * log some stuff
> * post it here

On my freebsd router on lan:
hirenp at entry:~ % iperf -s -u -i1

and on the laptop on wifi:
flymockour-l7% iperf -c 192.168.1.1 -u -i1 -l1300 -b110m -t10

I see about 3Mbps.

Logs attached.

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